SR20 coolant neck spacer


SR20 coolant neck spacer

Sale price$56.00 AUD
SKU: clnt-spcr
In stock

What is a Backorder?

Q: What is backorder?

When a product is on backorder, it means that we have sold out and we are opening a back order due to popular demand. This is essentially a queue, when new stock arrives from production, we’ll send your order.

Q: Will items in my order that are in stock be shipped out first?

We will send your order altogether once your backorder item is ready! You may wish to place separate orders if you want an item before the other is due back in stock.
Pickup available at Sunshine West, VIC 3020 Usually ready in 2 hours

SR20 coolant neck spacer

Sunshine West, VIC 3020

Pickup available, usually ready in 2 hours

Unit 11/94 Boundary Road
Sunshine West VIC 3020


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Product enquiry

Want to install an aftermarket coolant temp sensor but don't want to cut into your radiator hose? Me either! Instead of doing that simply unbolt your factory coolant neck and install this spacer in between the neck and the head.

The spacer has the provision for a 1/8 NPT provision or alternatively if used in conjunction with a barbed fitting this spacer could be used as the source for a coolant breather tank.

- Lightweight T6-6061 billet aluminium construction
- Direct bolt on


Will this fit my car?
We can only confirm fitment for the vehicles listed above under vehicle compatibility. If your car is not listed there, then we don't know if it will fit.

Do you make these to suit other cars?
We only sell the parts listed on our website. If it's not listed on our website, then we don't sell it. Sorry.

What's the advantage of using the GKTech coolant neck spacer?
Typically to gain a coolant temperature reading you would need to cut the OEM radiator hose. In this case, our plate sandwiches up against the head so it is much safer than a cut in between a flexible hose which is then sealed with clamps. This is also a good spot to use for a swirl pot setup or additional bleeder line.

What modifications are required, is this hard to fit?
No modifications are required, simply just remove and refit.

Is there anything else needed for installation?
We do recommend a small amount of sealant on either side to avoid a coolant leak. In terms of the spacer it will arrive as shown in the product photo.

Can I install this myself? If so how long will installation take?
Yes, it is straightforward. Install time should be around 15 minutes, you will also need to bleed your cooling system after this has been fitted.


Confirmed fitment for all RWD SR20's, both SR20DE and SR20DET's.

NOTE: These will NOT fit front wheel drive SR20's.


S13 SR20 180SX

Customer Reviews

Based on 18 reviews

I'm very happy with everything so far. Two seals would be cool so you don't have to glue it.

sean benko
Works great

no complaints, easy install, would buy again

Roy Cabrera
Water neck spacer

Spacer seems nice quality still havnt installed it yet though. Will update if I notice issues. But so far so good

Michael J Melksham

Perfect product work as it should and simple to fit

Anthony Duong
Extremely fast delivery time

Got some stuff posted through express at 10am got it within 24 hours. So fast !!!!!! Don’t even get me started on the quality of the products. Would highly recommend.